1316715898 has 4 divisors (see below), whose sum is σ = 1975073850. Its totient is φ = 658357948.

The previous prime is 1316715863. The next prime is 1316715949. The reversal of 1316715898 is 8985176131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8985176131 = 33029 ⋅272039.

It can be written as a sum of positive squares in only one way, i.e., 778800649 + 537915249 = 27907^2 + 23193^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329178973 + ... + 329178976.

Almost surely, 2^1316715898 is an apocalyptic number.

1316715898 is a deficient number, since it is larger than the sum of its proper divisors (658357952).

1316715898 is an equidigital number, since it uses as much as digits as its factorization.

1316715898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658357951.

The product of its digits is 362880, while the sum is 49.

The square root of 1316715898 is about 36286.5801364637. The cubic root of 1316715898 is about 1096.0508244719.

The spelling of 1316715898 in words is "one billion, three hundred sixteen million, seven hundred fifteen thousand, eight hundred ninety-eight".